help sb (to)do sth =help sb.with sth.帮某人做某事
can't help doing sth.情不自禁做某事 Ican't help laughing我情不自禁大笑起来
help oneself to 随便吃 Help youself to the fish请随便吃点鱼
help sb (to)do sth =help sb.with sth.帮某人做某事
can't help doing sth.情不自禁做某事 Ican't help laughing我情不自禁大笑起来
help oneself to 随便吃 Help youself to the fish请随便吃点鱼